As MiAaKaMiMi very obviously pointed out,
don't crash... If you do crash however. Just
STOP, let the car in front get a small lead on you
then regain your speed and jump, otherwise
you'll just bump in to it again and slow you
down more.
Also, if you come in to
hefty traffic, slow down slightly then start
jumping because it's really hard to jump too
many cars at full speed in good timing.